No word on his brother, but here's what was noted at skiracing.com for October 13:
"With the American team in Soelden, Austria, now is reigning overall World Cup champion Bode Miller. Some news reports had speculated that Miller would not start at Soelden because of his brother’s recent injury.
“Bode’s here,” said Morin. “His plane got in this morning and he came straight here and made three runs with us in the course.”